Rapid Intensification Guidance AL182020 200914 18UTC Storm Located at : 27.00 49.00 Guidance run with Vmax [kt]: 25. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 25.00 F 12-H DELTA VMAX [kt] 0.00 N CORE SIZE [km] 9.40 F CONVECTION <-50C [%] 8.00 VU CONVECTION <-60C [%] 6.00 U IR CORE SYMMETRY [K] 1.40 F TC SIZE [%] 91.00 N Forecast Conditions: Predictor Value Favorable(F)/Unfavor(U) 6 12 18 24 36 48 60 72 6 12 18 24 36 48 60 72 Wind Shear [kt] 33.0 28.6 24.0 20.0 23.7 23.9 23.9 23.9 U N N N N N N N Ocean Heat [kJ/cm^2] 25.0 30.0 31.0 26.0 23.0 30.0 30.0 30.0 U U U U U U U U Potential [kt] 140.0 140.0 140.0 140.0 140.0 140.0 140.0 140.0 F F F F F F F F 200mb Divg [10^6/s] -32.0 -20.0 -81.0 -78.0 -21.0 28.0 28.0 28.0 VU VU VU VU VU U U U Humidity 700-500 hPa 38.0 37.0 33.0 32.0 33.0 33.0 33.0 33.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] -5.0 -7.0 -13.0 -9.0 -4.0 -14.0 -14.0 -14.0 F F VF F F VF VF VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.3% 0.2% 25kt / 24h 0.2% 3.0% 1.6% 30kt / 24h 0.1% 1.1% 0.6% 35kt / 24h 0.0% 0.6% 0.3% 40kt / 24h 0.0% 0.5% 0.3% 45kt / 36h 0.0% 5.0% 2.5% 55kt / 36h 0.0% 1.1% 0.5% 55kt / 48h 0.1% 2.4% 1.2% 70kt / 48h 0.1% 1.5% 0.8% 65kt / 72h 8.8% 7.0% 7.9%